1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/*
* (C) 2015 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
class DpiHelper final
{
public:
DpiHelper();
void Override(HWND hWindow);
void Override(int dpix, int dpiy);
inline int ScaleFloorX(int x) const { return x * m_dpix / 96; }
inline int ScaleFloorY(int y) const { return y * m_dpiy / 96; }
inline int ScaleX(int x) const { return MulDiv(x, m_dpix, 96); }
inline int ScaleY(int y) const { return MulDiv(y, m_dpiy, 96); }
inline int TransposeScaledX(int x) const { return MulDiv(x, m_dpiy, m_dpix); }
inline int TransposeScaledY(int y) const { return MulDiv(y, m_dpix, m_dpiy); }
inline int ScaleSystemToOverrideX(int x) const { return MulDiv(x, m_dpix, m_sdpix); }
inline int ScaleSystemToOverrideY(int y) const { return MulDiv(y, m_dpiy, m_sdpiy); }
private:
int m_dpix, m_dpiy;
int m_sdpix, m_sdpiy;
};
|
